Dp 597 en

From DCEwiki
Jump to navigation Jump to search

Laser beam propagation control in thermally-loaded media[edit]

Author: David Vojna

Diplomové práce 2016

Stáhnout práci v PDF

597 fig.png

This work deals with numerical simulations of a laser beam propagation through a thermally loaded solid-state 2D medium. At first a brief introduction to basic principles of laser physics is given followed by a simplified description of thermo-optic effects associated with laser system operation. Finite element methodology is presented as a practical tool for thermo-mechanical analysis of two dimensional models of system optical elements. A procedure is developed to integrate the FEM analysis results and computational mesh in a numerical algorithm simulating the laser beam propagation. Laser beam is approximated as a set of rays within this work. The algorithm performance is validated for both homogeneous and graded-index media using comparison method of numerical and analytical solutions. An example of thermo-optical analysis of a zigzag laser amplifier is also included.

Dp 2016 vojna david.pdf
P 2016 vojna david.pdf